organizations, they're considered social welfare organizations. they are presumed to advance social welfare. so it includes things like volunteer fire departments. it includes organizations, i believe, the a.c.l.u. is a 501 c-4. i think the national rifle association is a 501 c-4. >> woodruff: jay sekulow, i just want to pursue this very quickly because some people are confused about the term tax exempt. they're seeking this status even though they pursue a very strong set of beliefs, as we just heard, whether it's the national rifle association or another group, for example, today i got an email from a group that is a 501 c-4 but they strategically partnered with a republican group. but that's okay, right? >> well, you can't be part of the national republican party or the democratic party, per say, and that's not allowed. but it's exactly what you said. the a.c.l.u. is a 501-4.